Quebrada Rincón Blanco, Río del Peñón, Section Z, Pavement B (Carboniferous of Argentina)

Where: La Rioja, Argentina (28.6° S, 68.7° W: paleocoordinates 46.0° S, 60.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Río del Peñón Formation, Moscovian (315.2 - 307.0 Ma)

• 2-5 cm thick shell bed/shell pavement.

• bed-level stratigraphic resolution

Environment/lithology: prodelta; lithified siltstone

• Low sedimentation rate marginal marine prodeltaic environment contributed to formation of shell pavement.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: Repository: Catedra de Estragrafia y Geologia Historica, Facultad de Ciencias Exactas, Fisicas y Naturales, Universidad Nacinal de Cordoba (CEGH-UNC). Some material provided by Cisterna, located at Fundación Miguel Lillo, Instituto de Paleontología, Sección Paleoinvertebrados.

Primary reference: A. F. Sterren. 2000. Moluscos bivalvos en la Formacion Rio del Penon (Carbonifero Tardio-Permico Temprano), provincia de La Rioja, Argentina. Ameghiniana 37(4):421-438 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 39939: authorized by David Bottjer, entered by Matthew Clapham on 12.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
Bivalvia
 Arcida - Parallelodontidae
 Pectinida - Limidae
Palaeolima sp. Hind 1903 file clam
Palaeolima cf. P. sp. Dickins 1963
 Pectinida - Aviculopectinidae
Aviculopecten "n. sp." M'Coy 1851 scallop
 Pectinida - Deltopectinidae
Streblopteria sp. McCoy 1851 scallop
 Pectinida - Limipectinidae
Acanthopecten jaguelensis Gonzalez 1997 scallop
 Ostreida - Pterineidae
 Cardiidia - Sanguinolitidae
 Pholadomyida - Edmondiidae
Edmondia sp. de Koninck 1841 clam
 Trigoniida - Schizodidae
Schizodus sp. King 1844 clam
 Nuculida - Nuculidae
Nuculavus levatiformis Walcott 1884 nut clam
 Protobranchia - Nuculanidae
Phestia sp. Chernyshev 1951 pointed nut clam
Gastropoda
 Bellerophontida - Bellerophontidae
"Knightites (Cymatospira) cf. montfortianus" = Cymatospira montfortianus
"Knightites (Cymatospira) cf. montfortianus" = Cymatospira montfortianus Norwood and Pratten 1855 snail
 Murchisoniina - Gosseletinidae
Barrealispira aff. tupensis Sabattini et al. 1991 snail
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Strophomenata
 Productida - Monticuliferidae
Costatumulus sp. Waterhouse 1983
Rhynchonellata
 Spiriferinida - Syringothyrididae
Lingulata
 Lingulida - Disciniidae
Orbiculoidea sp. d'Orbigny 1847